Red eyes and red flags part 1 Flashcards
red flags
multi trauma
red lids and red glove - could be orbital cellulitis or orbital haemotoma
unable to open eye
uveal prolapse
high intraoccqular pressure
what is high intraoocular pressure a red flag for
angle closure glaucoma
problems affecting lids and lashes
blepharitis, chalazion, stye, cellulitis
problems affecting the cornea
abrasion, FB, keratitis, chemical injury
is stye is
an infected eyelash follicle
a chalazion is
non infective inflammation
collection of lipid secretion blocks a duct
a fixed mid-dilated pupil with high pressure and pain
angle closure glaucoma
white blood cells in the anterior chamber
uveitis
infective conjunctivitis aetiology
70% viral
30% bacterial
minority are chlamydia
management of conjunctivitis
hand hygiene
simple analgesia, ice packs, artificial tears
+/- conjunctival swab
topical decongestants
no antibiotic unless bacterial, no steroid
VA poor, protracted course, recurrent
if you suspect chlamydial conjunctivitis
you have to do a swab
cured with a single dose of azithromycin
microbial keratitis Hx
severe pain, unilateral
reduced vision
hours to days
contact lens wearer or trauma
aetiology of microbial keratitis
mainly gram positive
staph, pseudomonas, acanthomoeba
management of microbial keratitis
oral analgesia
urgent ophthalmology referral
remove both contact lenses
corneal scrape, admission, intensive fortified topical antibiotics
heretic keratitis Hx
unilateral
associated rash, recurrence